SBI Clerk 2018: Quantitative Aptitude Quiz for Prelims – 8

Hello and welcome to exampundit. Here is a set of Quantitative Aptitude Quiz for Prelims exam of SBI Clerk 2018.

1) A wholesaler sells a good to a retailer at a profit of 5% and the retailer sells it to a customer at a profit of 10%. If the customer pays Rs. 2,000, what had it cost (in Rs) the wholesaler?
a) 1731.6
b) 3210.6
c) 1931.6
d) 2310.6
e) None of these

2) The average price of 3 diamonds of same weights is Rs. 5 crore, where the average price of the two costliest diamonds is double the price of the cheapest diamond. The price of the cheapest diamond is :
a) 3 crore
b) 5 crore
c) 1.66 crore
d) 2.5 crore
e) None of these

3) A businessman undertook a work to complete in 60days. But just after 20 days he observed that only 1/5th of the project work had been completed. To complete the work in time (i.e., in rest days) minimum how many workers he had to increase, if there were initially 75 workers were deployed for the task?
a) 25
b) 50
c) 75
d) Can’t be completed
e) None of these

4) In a race of 3000m, Monu beats Nishit by 600m and Nishit in a race of 2000m beats Olive by 600m. In a 1 km race by how much distance Monu beats Olive?
a) 440 m
b) 560 m
c) 800 m
d) 400 m
e) None of these

5) Four isosceles triangles are cut off from the corners of a square of area 400 m2. Find the area of new smallest square (in m2) :
a) 200√2
b) 200/√2
c) 200
d) 100√2
e) None of these

Answer & Solutions

Option: C

Explanation: If four isosceles triangles are cut from the corners of a square, then 50% area has been cut out.
So the remaining area = 50% of 400 = 200

Directions (Q. 6-10): These questions are based on the following data:

Percentage of literate population with respect to the population of the state for different states over the years

Year

2017

2018

2019

2020

2021

2022

State

ASSAM

67

72

69

78

79

82

BIHAR

82

81

85

85

87

88

WEST BENGAL

78

81

84

87

89

91

TRIPURA

56

65

69

71

75

77

MAHARASHTRA

89

93

94

95

95

97

UTTAR PRADESH

85

88

91

93

95

96

6) Populations of WEST BENGAL in 2017 and 2018 were in the ratio 2:3. What was the ratio of their literate population?
a) 51:82
b) 15:18
c) 9:13
d) 26:27
e) None of these

Answer & Solutions

Option: E

Explanation: Ratio = (2*78%): (3*81%) = 52:81

7) In 2018, all the six states had equal population of 12 lakhs. What was the average literate population of all the states in that year?
a) 9,88,000
b) 10,56,000
c) 9,60,000
d) 10,28,000
e) None of these

Answer & Solutions

Option: C

Explanation: 1202000*480/600 = 960000

8) Population of state TRIPURA in 2018 and 2021 was equal. Approximately what was the percentage increase in literate population from 2018 to 2021?
a) 17
b) 15
c) 16
d) 18
e) 19

Answer & Solutions

Option: B

Explanation: (75-65)*100/65 ~ 15%

9) Population of BIHAR increased in every year by 10%. If its total population in 2019 was 10 lakhs, what was its literate population in 2021?
a) 10,52,700
b) 9,57,000
c) 11,52,400
d) Cannot be determined
e) None of these

Answer & Solutions

Option: A

Explanation: 1000000*(110/100)*(110/100)*(87/100) = 1052700

10) If the average population of all the states in 2019 was 12.5 lakhs what was the average literate population in that year?
a) 10.25 lakhs
b) 10.75 lakhs
c) 11 lakhs
d) Cannot be determined
e) None of these